查询词典 diffraction spectrum

This procedure used to simulate, Fresnel and Fraunhofer diffraction beam-beam diffraction contrast.

详细说明：此程序用于模拟，菲涅尔衍射光束和夫朗和费衍射光束的对比。

Week 8 Huygens- Fresnel principle, Fraunhofer diffraction, grating diffraction

第8周 惠更斯－菲涅耳原理；夫琅和费衍射。光栅衍射。

Dammann, are based on Fraunhofer diffraction and are one kind of the most effective elements to generate array for high diffraction efficiency with good uniformity.

Dammann提出的达曼光栅因其效率高，光束分布均匀性不受入射光强分布影响等优点，成为目前最有效的分束器件之一。

The former case, where the screen is relatively close to the slit is fresnel diffraction, whereas the latter is Fraunhofer diffraction.

如图 c 所示。前面图示的情况，也就是屏幕与狭缝较近称之为菲涅尔衍射。相反情况就称之为夫朗禾费衍射。

One of the important tasks in my dissertation is to investigate Fraunhofer diffraction pattern of a polychromatic, spatially coherent wave diffracted by an annular aperture. The phenomena of spectral anomalies in the vicinity of the Airy rings in Fraunhofer diffraction pattern are investigated in detail. The effect of the parameters of the annular aperture on the spectral changes is studied particularly.

本学位论文的一部分内容进一步研究了在夫琅和费衍射模型下，多色空间相干光经过环形光阑衍射后的光谱变化情况，详细讨论了在该模型下振幅为零的点附近的光谱奇异现象，着重研究了改变环形光阑参数等对光谱变化的影响。

It is pointed that non-diffraction beam is a kind of Fresnel diffraction phenomena.

Durnin发明的无衍射光束，指出所谓的无衍射光束实际上是一种菲涅耳衍射。

Based on Fresnel Kirchhoff diffraction integral equation, a mathematical model on the diffraction of nonlinear optical media to Gaussian beam is established.

从菲涅耳基尔霍夫衍射积分公式出发，建立了非线性光学介质对高斯光束的衍射模型，通过数值积分，得到了与实验现象符合的计算结果。

Calculation of diffraction ; Fresnel diffraction ; Fourier transform

衍射计算；菲涅耳衍射；傅里叶变换

Based on the Fresnel diffraction integral and the complex Gaussian expansion for the hard-edge aperture function, a simple and analytical expression for calculating the diffraction field distribution of an apertured lens is presented.

基于菲涅尔衍射积分和将硬边孔径函数展开成有限项复高斯级数方法推导出了计算透镜衍射光强分布的解析表达式。

Staring from Fresnel diffraction integral,we deduced the optical intensity distribution in the Fresnel zone of the diffraction field of the annular-aperture lens axicon.

从菲涅耳衍射积分公式出发，推导多色高斯光束被球差透镜衍射后光强分布的解析公式，进行数值模拟和物理分析。

The teacher likes the honeymouthed little girl very much.

老师很喜欢这个嘴甜的小姑娘。

Mr. Notker Bien's interests are traveling, spending quality time with the family and long-distance-running.

诺特卡·柏恩先生热爱旅游，长跑，以及和家人一起共度美好时光。